Most Innovative Companies 2012

What do you get when you cross Walmart with Mother Teresa? Who would be the Square Deal candidate in 2012? And how in the world do you compare—and rank—such dynamic, eclectic businesses as Amazon, Apple, Facebook, and Google? The answers to these and other captivating questions lie within our 2012 Most Innovative Companies coverage, undoubtedly the most engaging, surprising, creative rendition of the list we've ever produced.